Description CVE-2009-1890 httpd: mod_proxy reverse proxy DoS (infinite loop) Remediation References CVE-2009-1890 Related Vulnerabilities WordPress Plugin Extend WordPress-Various Shortcodes & Widgets TimThumb Arbitrary File Upload (2.1.01) Moodle Use of GET Request Method With Sensitive Query Strings Vulnerability (CVE-2025-3637) WordPress Plugin Quiz and Survey Master (QSM)-Easy Quiz and Survey Maker Multiple SQL Injection Vulnerabilities (4.4.2) Zope Web Application Server Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2021-32674) WordPress Plugin Simple Behance Portfolio Cross-Site Scripting (0.2) Severity High Tags Missing Update Known Vulnerabilities CWE-400 CVE-2009-1890